often becoming covered; hypothecium pale to dark brown; hymenium pale
below, but usually more or less colored above; paraphyses distinct, but
often more or less coherent; asci clavate; spores ovoid-ellipsoid, 8 to
17 mic. long and 5 to 9 mic. wide (Fig. 3).

Collected in Lake, Adams, and Hocking counties. On bark and rocks. Not
previously reported from Ohio. Rare, but doubtless distributed widely in
the State.


11. Lecidea albocaerulescens (Wulf.) Schaer. Lich. Helv. Spic. 3: 142.
1828.

_Lichen albocaerulescens_ Wulf. in Jacq. Coll. Bot. 2: 184. pl. 5. f. 1.
1788.

Thallus smooth or somewhat rough, more or less chinky or becoming
obscurely small-areolate, ash- to green-gray, or becoming olivaceous,
spreading over the substratum as a continuous, moderately thick crust;
apothecia small to large, 0.5 to 1.5 mm. in diameter, adnate or more or
less immersed, usually flat, almost always white or rusty-green
pruinose, the black exciple rarely becoming covered; hypothecium brown
to black-brown; hymenium commonly pale; paraphyses distinct, but usually
coherent; asci clavate to inflated-clavate; spores ovoid-ellipsoid, 15
to 24 mic. long and 7 to 10 mic. wide.

Collected in Preble, Hocking, and Lake counties. Also examined from
Lawrence County. On rocks other than calcareous. Not previously reported
from Ohio. Rare, but apparently distributed widely in the State.